The mer of polyethylene is made from two atoms of ______________and two atoms of hydrogen.

Fill in the blank(s) with the appropriate word(s).


carbon

Physics & Space Science

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Natural line broadening can be understood in terms of the

A) de Broglie wave length. B) uncertainty principle. C) Schrodinger wave equation. D) Pauli exclusion principle. E) quantum numbers.

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In the proton-proton cycle, two positrons are produced. What more familiar particles are they similar to, and how do they differ?

What will be an ideal response?

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A free electron is in an electric field. With respect to the field, it experiences a force acting:

a. parallel. b. anti-parallel (opposite in direction). c. perpendicular. d. along a constant potential line.

Physics & Space Science

Outline a simple model of planet building

What will be an ideal response?

Physics & Space Science